3002021 has 4 divisors (see below), whose sum is σ = 3274944. Its totient is φ = 2729100.

The previous prime is 3002003. The next prime is 3002039. The reversal of 3002021 is 1202003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3002003) and next prime (3002039).

It is a de Polignac number, because none of the positive numbers 2^k-3002021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3002221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136445 + ... + 136466.

It is an arithmetic number, because the mean of its divisors is an integer number (818736).

Almost surely, 2^3002021 is an apocalyptic number.

It is an amenable number.

3002021 is a deficient number, since it is larger than the sum of its proper divisors (272923).

3002021 is a wasteful number, since it uses less digits than its factorization.

3002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272922.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 3002021 is about 1732.6341217926. The cubic root of 3002021 is about 144.2573362762.

Adding to 3002021 its reverse (1202003), we get a palindrome (4204024).

The spelling of 3002021 in words is "three million, two thousand, twenty-one".